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Pipeline compensation method for oil product on-line mixing

A compensation method and technology for oil products, applied in pipeline systems, mechanical equipment, gas/liquid distribution and storage, etc., can solve problems such as no compensation method for long pipelines found, and achieve stable blending process and good dynamic characteristics

Active Publication Date: 2020-05-08
ZHEJIANG SUPCON TECH +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] At present, in the existing technology, there is no method to explicitly compensate the long pipeline, and there are some other compensation methods

Method used

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  • Pipeline compensation method for oil product on-line mixing
  • Pipeline compensation method for oil product on-line mixing
  • Pipeline compensation method for oil product on-line mixing

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Embodiment 1

[0040] In order to make up for the error caused by external factors including pipeline length to the oil blending process, the embodiment of this application proposes a pipeline compensation method, which can reduce the influence of excessive pipeline length on the blending result and compensate for errors caused by long pipelines .

[0041] Specifically, the pipeline compensation method used for online oil blending is used to compensate the quality of the oil output to the product tank, such as figure 1 shown, including:

[0042] 11. Determine the type of online sampling data corresponding to the oil blending pipeline, and initialize the online sampling data;

[0043] 12. Obtain the first set of oil product parameters flowing into the pipeline within the preset sampling period through the oil sampling device at the entrance of the pipeline, and at the same time obtain the second set of oil product parameters flowing out of the pipeline within the preset sampling period throu...

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Abstract

The embodiment of the invention provides a pipeline compensation method for oil product on-line mixing. The pipeline compensation method comprises the steps that the type of online sampling data corresponding to an oil product mixing pipeline is determined, and the online sampling data are initialized; a first oil product parameter set flowing into the pipeline within the preset sampling period isobtained through an oil product sampling device at an inlet of the pipeline, and meanwhile, a second oil product parameter set flowing out of the pipeline within the preset sampling period is obtained through data record in the pipeline; an oil product flow difference value of the second oil product parameter set relative to the first oil product parameter set is obtained, and elements in the second oil product parameter set are subjected to data updating based on the magnitude of the oil product flow difference value; and oil products in the pipeline are overall estimated according to the updated second oil product parameter set. By simulating the pipeline in oil product on-line mixing through a first-in and first-out queue, the computational error lag defect caused by the too-long pipeline is compensated.

Description

technical field [0001] The invention belongs to the field of petrochemical industry, and in particular relates to a pipeline compensation method for on-line blending of oil products. Background technique [0002] In the process of online blending of oil products, the oil products adopt the method of pipeline blending, that is, after the blending of various component oils in the blending head, they are transported to the product storage tank through a long pipeline. In fact, the pipelines of various enterprises are of different lengths. Short pipelines can ignore the existence of pipelines without causing significant errors; The quality of combined oil products causes non-negligible errors. For online oil blending optimization, it is necessary to have a full understanding of the entire blending process, especially the pipeline, in order to obtain a better optimization effect. [0003] At present, in the existing technology, no method for explicitly compensating the long pip...

Claims

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Application Information

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IPC IPC(8): F17D3/00
CPCF17D3/00
Inventor 阮骁骏许德恒王家栋孙晓冯凯王皖慧
Owner ZHEJIANG SUPCON TECH
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